package Example4;

class  Student{
    private String name;
    private int age;
    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name = name;
    }
    public int getAge(){
        return age;
    }
    public void setAge(int age){
        if (age<=0){
            System.out.println("您输入的年龄有误！！");
        }else {
            this.age = age;
        }
    }
    public void read(){
        System.out.println("大家好，我是"+name+",年龄"+age);
    }
}
public class Example4 {
    public static void main (String[] args){
        Student stu = new Student();
        stu.setName("张三");
        stu.read();
    }
}
